X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=a8f8232e3539f31cc39e599ebabd2f144058e6c1;hb=ea4d933ed9d8ce16699c84892a29e070c70b2eb9;hp=f342e5c432fe48621a6f1e247df458f3fc5bea1e;hpb=9acec468fbeaa9f90578352b610431ca9b2d4ee4;p=st.git

diff --git a/st.c b/st.c
index f342e5c..a8f8232 100644
--- a/st.c
+++ b/st.c
@@ -16,7 +16,6 @@
 #include <termios.h>
 #include <unistd.h>
 #include <wchar.h>
-#include <wctype.h>
 
 #include "st.h"
 #include "win.h"
@@ -42,7 +41,7 @@
 #define ISCONTROLC0(c)		(BETWEEN(c, 0, 0x1f) || (c) == '\177')
 #define ISCONTROLC1(c)		(BETWEEN(c, 0x80, 0x9f))
 #define ISCONTROL(c)		(ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u)		((iswspace(u) || iswpunct(u)) && wcschr(extrawordchars, u) == NULL)
+#define ISDELIM(u)		(u && wcschr(worddelimiters, u))
 
 enum term_mode {
 	MODE_WRAP        = 1 << 0,
@@ -367,7 +366,7 @@ char
 base64dec_getc(const char **src)
 {
 	while (**src && !isprint(**src)) (*src)++;
-	return *((*src)++);
+	return **src ? *((*src)++) : '=';  /* emulate padding if string ends */
 }
 
 char *
@@ -385,6 +384,10 @@ base64dec(const char *src)
 		int c = base64_digits[(unsigned char) base64dec_getc(&src)];
 		int d = base64_digits[(unsigned char) base64dec_getc(&src)];
 
+		/* invalid input. 'a' can be -1, e.g. if src is "\n" (c-str) */
+		if (a == -1 || b == -1)
+			break;
+
 		*dst++ = (a << 2) | ((b & 0x30) >> 4);
 		if (c == -1)
 			break;
@@ -459,7 +462,7 @@ selextend(int col, int row, int type, int done)
 	selnormalize();
 	sel.type = type;
 
-	if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type)
+	if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY)
 		tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
 
 	sel.mode = done ? SEL_IDLE : SEL_READY;
@@ -1865,7 +1868,10 @@ strhandle(void)
 		case 104: /* color reset, here p = NULL */
 			j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
 			if (xsetcolorname(j, p)) {
-				fprintf(stderr, "erresc: invalid color %s\n", p);
+				if (par == 104 && narg <= 1)
+					return; /* color reset without parameter */
+				fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
+				        j, p ? p : "(null)");
 			} else {
 				/*
 				 * TODO if defaultbg color is changed, borders